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प्रश्न
State the composition of aqua regia. State which component is the oxidizing agent in aqua regia.
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उत्तर
A mixture having three parts conc. Hydrochloric acid and one part conc. Nitric acid is called aqua-regia.
Nitric acid acts as an oxidizing agent.
संबंधित प्रश्न
Explain why anhydrous HCl is a poor conductor while aqueous HCl is an excellent conductor.
Explain why dilute hydrochloric acid cannot be concentrated by boiling beyond 22.2%.
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What is the common property being shown by these metal oxides?
Name the following:
Salt obtained by heating sodium chloride with concentrated sulphuric acid below 200 degree celcius.
Fill in the blank:
On addition of silver nitrate to hydrochloric acid ___________ precipitate is formed which is soluble in ____________
Write a fully balanced of the following case :
Magnesium metal is treated with dilute hydrochloric acid.
Give a chemical test to distinguish between the following pair of compounds:
Hydrogen chloride gas and hydrogen sulphide gas
Write the balanced equation for the reaction of dilute hydrochloric acid with the following:
Iron (II) sulphide
A solution of hydrogen chloride in water is prepared. The following substances are added to separate portions of the solution :
| S.NO. | Substances added | Gas evolved | Odour |
| 1. | Calcium carbonate | ______ | ______ |
| 2. | Magnesium ribbon | ______ | ______ |
| 3. | Manganese (IV) oxide with heating | ______ | ______ |
| 4. | Sodium sulphide | ______ | ______ |
Complete the table by writing the gas evolved in each case and its odour.
Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D, and E.
